gh0strat | 2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de

General

Target

2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe
Size

1.3MB
MD5

3cc9a5877056cc71113fadd6b759e466
SHA1

ce6d5b6a8a6910765c29c5bad30b2de93504e54b
SHA256

2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de
SHA512

9d55f6407b5a51e9ed5a242bb3e9fd7debbfe14bf72241b9e380b408a11f62e39b205680f42b859f9698443f7a767dbc4487eab61bdada1a43cdaf847c761a2d
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNf:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2580-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2580-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/3064-18-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Wxypq.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Wxypq.exe

Deletes itself 1 IoCs

pid	Process
2912	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2472	Wxypq.exe
3064	Wxypq.exe

Loads dropped DLL 1 IoCs

pid	Process
2472	Wxypq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Wxypq.exe	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe
File opened for modification	C:\Windows\SysWOW64\Wxypq.exe	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wxypq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wxypq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2912	cmd.exe
2848	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Wxypq.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Wxypq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2848	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3064	Wxypq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2580	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe
Token: SeLoadDriverPrivilege	3064	Wxypq.exe
Token: 33	3064	Wxypq.exe
Token: SeIncBasePriorityPrivilege	3064	Wxypq.exe
Token: 33	3064	Wxypq.exe
Token: SeIncBasePriorityPrivilege	3064	Wxypq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2912	2580	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe	31
PID 2580 wrote to memory of 2912	2580	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe	31
PID 2580 wrote to memory of 2912	2580	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe	31
PID 2580 wrote to memory of 2912	2580	2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe	31
PID 2472 wrote to memory of 3064	2472	Wxypq.exe	32
PID 2472 wrote to memory of 3064	2472	Wxypq.exe	32
PID 2472 wrote to memory of 3064	2472	Wxypq.exe	32
PID 2472 wrote to memory of 3064	2472	Wxypq.exe	32
PID 2912 wrote to memory of 2848	2912	cmd.exe	34
PID 2912 wrote to memory of 2848	2912	cmd.exe	34
PID 2912 wrote to memory of 2848	2912	cmd.exe	34
PID 2912 wrote to memory of 2848	2912	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe
"C:\Users\Admin\AppData\Local\Temp\2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\2AE66A~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2848

C:\Windows\SysWOW64\Wxypq.exe
C:\Windows\SysWOW64\Wxypq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\Wxypq.exe
  C:\Windows\SysWOW64\Wxypq.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Wxypq.exe

Filesize
1.3MB

MD5
3cc9a5877056cc71113fadd6b759e466

SHA1
ce6d5b6a8a6910765c29c5bad30b2de93504e54b

SHA256
2ae66a27518197e36c78cf5ff9e3457d0386cbd20166f11c99e4662be949a1de

SHA512
9d55f6407b5a51e9ed5a242bb3e9fd7debbfe14bf72241b9e380b408a11f62e39b205680f42b859f9698443f7a767dbc4487eab61bdada1a43cdaf847c761a2d

Download Submit
memory/2580-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3064-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads